I submited a patch today that modified unicode.h that disables warnings(which allows for -Wcast-qual to actually give relevant results)
I don't know if it will be accepted or not(it has the potential of being problematic if modifying unicode.h that would normally result in a warning, but this patch would cause it to be suppresed), but I figured I would at least share the results I found.
after configuring with cast-qual, I stored the warnings that resulted(which I've included as an attachment for those that are interested.).
There were no warnings in the make depend, and make generated 545 warnings(all from .c files). The included file does not contain the sub directory for what file generates the warning. If anyone knows how to pull that data, let me know and I'll redo it and extract that information as well.
I plan on start looking through these and working on fixing some here soon, but I thought I would share what I found with this group in general.
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Mike Schaadt